Circulatory Pathways
Circulatory Pathways: Overview
This topic covers concepts such as Blood Circulation System of Vertebrates, Walls of a Heart, External Structure of Heart, Thebesian Valve, Eustachian Valve, Aortic Arches, Human Circulatory System, Circulatory Pathways in Organisms, etc.
Important Questions on Circulatory Pathways
Tricuspid valve is found in between
If due to some injury, the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
What is true about Nereis, scorpion, cockroach and silver fish?
Contraction of the ventricle in the heart begins by the command from:
Splenic artery arises from
People living at sea level have around 5 million RBC per cubic millimiter of their blood whereas those living at an altitude of 5400 metres have around 8 million. This is because at high altitude.
Systemic arch transports deoxygenated blood to different parts of the human body.
The ligamentum arteriosum is present at the point of contact of the systemic and pulmonary arches.
_____ (Pulmonary/Systemic) arch carries deoxygenated blood to the lungs in the body of a human.
The opening of the systemic arch is guarded by pulmonary valve.
Explain the role of Thebesian valve in the body of a human.
Explain the role of Eustachian valve in the body of a human.
The valve of inferior vena cava is known as _____ (Eustachian/Thebesius) valve.
The opening of post caval vein is guarded by Thebesius valve.
The ventricles are separated by auricular appendix.
The muscular pouch-like projection from each atrium is called
Atria and ventricles are separated by coronary sulcus.
Humans possess a single circulatory system.
Define incomplete double circulation and give examples of animals that possess this type of circulation.
